Accession No

4250

Brief Description

resistance box, by Cambridge Scientific Instrument Company Ltd., English, 1904 (c)

Origin

England; Cambridge

Maker

Cambridge Scientific Instrument Company Ltd.

Class

electrical

Earliest Date

1904

Latest Date

1904

Inscription Date

Material

wood; plastic (ebonite); metal (brass, manganin)

Dimensions

length 331mm; breadth 172mm; height 258mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘THE CAMBRIDGE SCIENTIFIC INSTRUMENT CO. LTD.
CAMBRIDGE ENGLAND
No. 3030
MANGANIN
TO CARRY 0.1 AMP’ (on top)

Description Notes

Rectangular wooden box with ebonite top; ventilation holes in four sides of box; two brass terminals; brass blocks with fifteen plug receptors (including one marked ‘INF’); brass and ebonite plugs; fourteen coils wound on brass formers, suspended on underside of top plate.

Condition: good; complete.

References

Events